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Search took 0.11 seconds. Search: Posts Made By: AeroModder
Forum: DIY / How-to 10-19-2010, 12:23 PM
Replies: 391
Views: 121,190
Posted By Nerys
Post Deleted. Your just going to troll more ...

Post Deleted. Your just going to troll more

so I leave you with this.

E10 46mpg
E0 55mpg

either explain this. Leave the conversation or CORRECT my testing methods if you think they are...
Forum: Aerodynamics 05-17-2010, 12:14 PM
Replies: 15
Views: 4,353
Posted By lunarhighway
i have observed the same thing on my car. i...

i have observed the same thing on my car.

i found a cfd picure that shows what goes on, because of the similar observations i think this happens on most vehicles of this layout.
...
Forum: Aerodynamics 05-08-2010, 11:35 AM
Replies: 13
Views: 3,074
Posted By Piwoslaw
A short roof extension wouldn't reduce your wake...

A short roof extension wouldn't reduce your wake as much as reduce Cd (Cx) and lift (Cz). As ShadeTreeMech mentioned...
Forum: Aerodynamics 04-23-2010, 11:56 AM
Replies: 15
Views: 3,137
Posted By Bicycle Bob
Perhaps what you need is some foam plumbing...

Perhaps what you need is some foam plumbing insulation. It can be carved with a knife and glued or taped on just behind the door to give a new surface with a rounded edge. At the back, just use ...
Forum: Aerodynamics 04-06-2010, 02:58 AM
Replies: 15
Views: 3,137
Posted By zoltanbod
Looking at the profile of your car,the transition...

Looking at the profile of your car,the transition from the windshield pillar to the side windows is very abrupt.Before i would go ahead and flush your side glass i would install tufts to your side...
Forum: EcoModding Central 04-03-2010, 09:39 PM
Replies: 6
Views: 9,634
Posted By cfg83
AeroModder - I use tire calculators and then...

AeroModder -

I use tire calculators and then I cross-reference my odometer trip meter against a GPS :

http://ecomodder.com/forum/showthread.php/my-continental-contact-pro-tires-2642.html
...
Forum: Aerodynamics 03-26-2010, 04:27 PM
Replies: 17
Views: 19,800
Posted By Piwoslaw
Underbody panel testing

I found this in Piechna's book (http://ecomodder.com/forum/showthread.php/got-aerodynamics-book-10304.html). Sardou ([1]) tested underbody panel configurations on the same car in different wind...
Forum: Aerodynamics 02-28-2010, 12:42 PM
Replies: 29
Views: 10,681
Posted By winkosmosis
Also, I think the aerofoil shape is misapplied to...

Also, I think the aerofoil shape is misapplied to cars. The reason a wing has a front end that's rounded is because it has to work through a wide angle-of-attack range. A plane creates lift by...
Forum: EcoModding Central 02-18-2010, 09:05 PM
Replies: 180
Views: 26,885
Posted By NeilBlanchard
Hello, It has a fairly large flat...

Hello,



It has a fairly large flat cargo area behind the seats, above the engine!:http://www.smartcarofamerica.com/gallery/displayimage.php?imageid=6039
Forum: EcoModding Central 02-17-2010, 08:03 PM
Replies: 180
Views: 26,885
Posted By luvit
frank, listen. i;m not picking on you. the...

frank, listen. i;m not picking on you.
the statements "costly hand-builts", "nearly completed", "little money", "few weeks work if he wanted to", "true motivation".
these are all relevant to what?...
Forum: EcoModding Central 02-10-2010, 10:13 PM
Replies: 34
Views: 16,289
Posted By Christ
CFI - single injection point, basically an...

CFI - single injection point, basically an electronic carb.

MPFI - individual runners/injectors for each cylinder and a main plenum, to which there is a throttle body attached.

If you have...
Forum: EcoModding Central 02-10-2010, 12:22 PM
Replies: 34
Views: 16,289
Posted By MetroMPG
I'm not a fan of tank-to-tank testing. Still too...

I'm not a fan of tank-to-tank testing. Still too many variables (weather, being the biggest, but not only one).

See:...
Forum: EcoModding Central 02-10-2010, 11:16 AM
Replies: 34
Views: 16,289
Posted By stonebreaker
As Christ mentioned, a vacuum gauge would work: ...

As Christ mentioned, a vacuum gauge would work:
Sunpro CP7803 Actron Vacuum & Pressure Tester (http://www.jegs.com/i/Sunpro/885/CP7803/10002/-1)
Forum: EcoModding Central 02-01-2010, 02:53 PM
Replies: 34
Views: 16,289
Posted By tasdrouille
Here's the figure from Hucho's book. Best angle...

Here's the figure from Hucho's book. Best angle is dependent on the aspect ratio of the diffuser (diffuser lenght/underbody lenght)

http://img72.imageshack.us/img72/4629/venturism8.jpg
Forum: Aerodynamics 05-17-2008, 09:51 PM
Replies: 77
Views: 43,118
Posted By MetroMPG
Hi Donee - The placement of the VG's was...

Hi Donee -

The placement of the VG's was based on the PDF that trikkoncept linked. Have a look.

Flow typically separates at the trailing edge of the roof on 3-box vehicles, so that's where...
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